Publications by authors named "Amrollah Bayat"

Introduction: A hydatid cyst of the head and neck is a very rare condition, even in areas where Echinococcus infestation is endemic.

Case Report: We report a rare case of primary hydatid cyst of the right maxillary sinus in a 40-year-old man. The initial diagnosis of the presence of a cystic mass was the result of physical examination and computed tomography (CT) scan.

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Introduction: Hydatid disease is a major health problem in some parts of the world. There are several nonoperative and operative ways to treat hydatic disease. The aim of this retrospective study is to assess the rate of postoperative complications, mortality rate, hospitalization period, and recurrence for capsulorrhaphy method, and to compare it with other hydatic cyst management techniques.

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Primary echinococcosis of the heart is exceptionally uncommon and is reported 0.5% to 2% of all hydatid cyst sites in comparison with liver (70%) or lung (20%) involvement. Hydatid disease of the heart is caused by the cestode tapeworm echinococcosis granulosis or alveolaris.

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Due to lack of sufficient data on characteristics of breast cancer patients and risk factors for developing metastasis in Iran this study was designed to understand clinical aspects impacting on survival. A cross-sectional study on breast cancer patients was conducted in an oncology clinic of the university hospital between 1995 and 2010. Data were retrieved from medical records and included age, menopausal status, tumor diameter, number of involved nodes, histopathological type, estrogen and progesterone receptor expression, c-erbB-2, primary and secondary metastasis sites, overall survival, disease free interval and type of chemotherapy protocol.

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Purpose: The purpose of this study is to report the clinical and functional outcomes of patients, treated between 2004 and 2009, with high-risk popliteal vascular injuries due to compound fractures about the knee.

Patients And Methods: A retrospective analysis was conducted of prospectively collected data from Tabriz Medical Trauma Center. Our aim was to perform surgical revascularization as soon as the arterial injury was recognized.

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